diff --git a/src/os/inc/osArm32.h b/src/os/inc/osArm32.h
index 24ff95522ebc7ca2b2c23e9961371df58aa2fc6d..56ed1e48c00ed64ef782e23b3fe495e1ec6bc2c4 100644
--- a/src/os/inc/osArm32.h
+++ b/src/os/inc/osArm32.h
@@ -77,6 +77,7 @@ extern "C" {
 #include <sys/resource.h>
 #include <error.h>
 #include <math.h>
+#include <dlfcn.h>
 
 #define TAOS_OS_FUNC_LZ4
   #define BUILDIN_CLZL(val) __builtin_clzll(val)
diff --git a/src/os/inc/osArm64.h b/src/os/inc/osArm64.h
index 22f0000e96c5083556a3751e57f5bdb18d686332..f6c14d69e20e85d66111e53a43ec83b671755bbf 100644
--- a/src/os/inc/osArm64.h
+++ b/src/os/inc/osArm64.h
@@ -78,6 +78,7 @@ extern "C" {
 #include <error.h>
 #include <linux/sysctl.h>
 #include <math.h>
+#include <dlfcn.h>
 
 #ifdef __cplusplus
 }